5400 Series Low Maintenance Full Facepiece Respirators, Medium/Large ORS NASCO Fully insulated spring|Integral grooves|Integrated jaw

5400 Series Low Maintenance Full Facepiece Respirators, Medium Large ORS NASCO Fully insulated spring Integral grooves Integrated jaw Fully insulated spring Integral grooves Integrated jaw pattern for multi position electrode holding to form your own burning guides Blocks are machined from aluminum and have grooves on three sides Included are set screws to easily adjust blocks on straight edges or squares Options available for one On Off magnetic block (MSB201) or two On Off magnetic blocks (MSB202) Lightweight design offers a level of comfort that ensures greater worker acceptance Provides comfort and protection Soft and pliable elastomer material with high chemical resistance to assure excellent comfort fit and performance